<template>
  <div id="app">
    <!-- 一级缓存 -->
    <keep-alive>
      <!-- 一级路由的出口 -->
        <router-view />
    </keep-alive>
  </div>
</template>
<script>
export default {
  name: 'App',
  components: {

  }
}
</script>

<style lang="less">

</style>
